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Auto merge of #46116 - oli-obk:json_ui, r=nikomatsakis 

Check //~ERROR comments in ui tests

r? @nikomatsakis

cc #44844 @Phlosioneer @estebank @petrochenkov

this depends on https://github.com/rust-lang/rust/pull/46052 getting merged first (the commits are included in here)

The relevant changes of this PR are c2f0af7 and 979269b
This commit is contained in:
bors 2017-11-24 12:38:11 +00:00
parent 85d50ce1c7 8937d6a6cf
commit 71da1c21eb
671 changed files with 2229 additions and 2130 deletions
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23
src/librustc/session/mod.rs
View File

@ -355,12 +355,15 @@ impl Session {
/// Analogous to calling methods on the given `DiagnosticBuilder`, but
/// deduplicates on lint ID, span (if any), and message for this `Session`
/// if we're not outputting in JSON mode.
fn diag_once<'a, 'b>(&'a self,
diag_builder: &'b mut DiagnosticBuilder<'a>,
method: DiagnosticBuilderMethod,
lint: &'static lint::Lint, message: &str, span: Option<Span>) {
let mut do_method = || {
let lint_id = DiagnosticMessageId::LintId(lint::LintId::of(lint));
let id_span_message = (lint_id, span, message.to_owned());
let fresh = self.one_time_diagnostics.borrow_mut().insert(id_span_message);
if fresh {
match method {
DiagnosticBuilderMethod::Note => {
diag_builder.note(message);
@ -369,22 +372,6 @@ impl Session {
diag_builder.span_note(span.expect("span_note expects a span"), message);
}
}
};
match self.opts.error_format {
// when outputting JSON for tool consumption, the tool might want
// the duplicates
config::ErrorOutputType::Json(_) => {
do_method()
},
_ => {
let lint_id = DiagnosticMessageId::LintId(lint::LintId::of(lint));
let id_span_message = (lint_id, span, message.to_owned());
let fresh = self.one_time_diagnostics.borrow_mut().insert(id_span_message);
if fresh {
do_method()
}
}
}
}

2
src/test/compile-fail/issue-31221.rs
View File

@ -13,8 +13,6 @@
#![allow(non_snake_case)]
#![deny(unreachable_patterns)]
//~^ NOTE lint level defined here
//~^^ NOTE lint level defined here
//~^^^ NOTE lint level defined here
#[derive(Clone, Copy)]
enum Enum {

1
src/test/compile-fail/lint-output-format-2.rs
View File

@ -25,6 +25,5 @@ use lint_output_format::{foo, bar};
fn main() { //~ ERROR: compilation successful
let _x = foo();
//~^ WARNING use of deprecated item 'lint_output_format::foo': text
//~| NOTE #[warn(deprecated)] on by default
let _y = bar();
}

14
src/test/compile-fail/lint-unconditional-recursion.rs
View File

@ -10,19 +10,7 @@
#![deny(unconditional_recursion)]
//~^ NOTE lint level defined here
//~| NOTE lint level defined here
//~| NOTE lint level defined here
//~| NOTE lint level defined here
//~| NOTE lint level defined here
//~| NOTE lint level defined here
//~| NOTE lint level defined here
//~| NOTE lint level defined here
//~| NOTE lint level defined here
//~| NOTE lint level defined here
//~| NOTE lint level defined here
//~| NOTE lint level defined here
//~| NOTE lint level defined here
//~| NOTE lint level defined here
#![allow(dead_code)]
fn foo() { //~ ERROR function cannot return without recurring
foo(); //~ NOTE recursive call site

2
src/test/ui-fulldeps/custom-derive/issue-36935.rs
View File

@ -15,7 +15,7 @@
#[macro_use] extern crate plugin;
#[derive(Foo, Bar)]
#[derive(Foo, Bar)] //~ ERROR proc-macro derive panicked
struct Baz {
a: i32,
b: i32,

2
src/test/ui-fulldeps/custom-derive/issue-36935.stderr
View File

@ -1,7 +1,7 @@
error: proc-macro derive panicked
--> $DIR/issue-36935.rs:18:15
|
18 | #[derive(Foo, Bar)]
18 | #[derive(Foo, Bar)] //~ ERROR proc-macro derive panicked
| ^^^
|
= help: message: lolnope

2
src/test/ui-fulldeps/issue-44953/issue-44953.rs
View File

@ -13,7 +13,7 @@
#![feature(proc_macro)]
#![allow(unused_macros)]
#[macro_use] extern crate log;
#[macro_use] extern crate log; //~ ERROR use of unstable library feature
pub fn main() {
info!("This is a log message.");

2
src/test/ui-fulldeps/issue-44953/issue-44953.stderr
View File

@ -1,7 +1,7 @@
error: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
--> $DIR/issue-44953.rs:16:14
|
16 | #[macro_use] extern crate log;
16 | #[macro_use] extern crate log; //~ ERROR use of unstable library feature
| ^^^^^^^^^^^^^^^^^
|
= help: add #![feature(rustc_private)] to the crate attributes to enable

10
src/test/ui-fulldeps/proc-macro/three-equals.rs
View File

@ -22,17 +22,17 @@ fn main() {
three_equals!(===);
// Need exactly three equals.
three_equals!(==);
three_equals!(==); //~ ERROR found 2 equal signs, need exactly 3
// Need exactly three equals.
three_equals!(=====);
three_equals!(=====); //~ ERROR expected EOF
// Only equals accepted.
three_equals!(abc);
three_equals!(abc); //~ ERROR expected `=`
// Only equals accepted.
three_equals!(!!);
three_equals!(!!); //~ ERROR expected `=`
// Only three characters expected.
three_equals!(===a);
three_equals!(===a); //~ ERROR expected EOF
}

14
src/test/ui-fulldeps/proc-macro/three-equals.stderr
View File

@ -1,7 +1,7 @@
error: found 2 equal signs, need exactly 3
--> $DIR/three-equals.rs:25:5
|
25 | three_equals!(==);
25 | three_equals!(==); //~ ERROR found 2 equal signs, need exactly 3
| ^^^^^^^^^^^^^^^^^^
|
= help: input must be: `===`
@ -9,38 +9,38 @@ error: found 2 equal signs, need exactly 3
error: expected EOF, found `=`.
--> $DIR/three-equals.rs:28:21
|
28 | three_equals!(=====);
28 | three_equals!(=====); //~ ERROR expected EOF
| ^^
|
note: last good input was here
--> $DIR/three-equals.rs:28:21
|
28 | three_equals!(=====);
28 | three_equals!(=====); //~ ERROR expected EOF
| ^^
= help: input must be: `===`
error: expected `=`, found `abc`.
--> $DIR/three-equals.rs:31:19
|
31 | three_equals!(abc);
31 | three_equals!(abc); //~ ERROR expected `=`
| ^^^
error: expected `=`, found `!`.
--> $DIR/three-equals.rs:34:19
|
34 | three_equals!(!!);
34 | three_equals!(!!); //~ ERROR expected `=`
| ^
error: expected EOF, found `a`.
--> $DIR/three-equals.rs:37:22
|
37 | three_equals!(===a);
37 | three_equals!(===a); //~ ERROR expected EOF
| ^
|
note: last good input was here
--> $DIR/three-equals.rs:37:21
|
37 | three_equals!(===a);
37 | three_equals!(===a); //~ ERROR expected EOF
| ^
= help: input must be: `===`

10
src/test/ui-fulldeps/resolve-error.rs
View File

@ -35,29 +35,39 @@ macro_rules! attr_proc_mac {
}
#[derive(FooWithLongNan)]
//~^ ERROR cannot find
struct Foo;
#[attr_proc_macra]
//~^ ERROR cannot find
struct Bar;
#[FooWithLongNan]
//~^ ERROR cannot find
struct Asdf;
#[derive(Dlone)]
//~^ ERROR cannot find
struct A;
#[derive(Dlona)]
//~^ ERROR cannot find
struct B;
#[derive(attr_proc_macra)]
//~^ ERROR cannot find
struct C;
fn main() {
FooWithLongNama!();
//~^ ERROR cannot find
attr_proc_macra!();
//~^ ERROR cannot find
Dlona!();
//~^ ERROR cannot find
bang_proc_macrp!();
//~^ ERROR cannot find
}

36
src/test/ui-fulldeps/resolve-error.stderr
View File

@ -5,57 +5,57 @@ error: cannot find derive macro `FooWithLongNan` in this scope
| ^^^^^^^^^^^^^^ help: try: `FooWithLongName`
error: cannot find attribute macro `attr_proc_macra` in this scope
--> $DIR/resolve-error.rs:40:3
--> $DIR/resolve-error.rs:41:3
|
40 | #[attr_proc_macra]
41 | #[attr_proc_macra]
| ^^^^^^^^^^^^^^^ help: try: `attr_proc_macro`
error: cannot find attribute macro `FooWithLongNan` in this scope
--> $DIR/resolve-error.rs:43:3
--> $DIR/resolve-error.rs:45:3
|
43 | #[FooWithLongNan]
45 | #[FooWithLongNan]
| ^^^^^^^^^^^^^^
error: cannot find derive macro `Dlone` in this scope
--> $DIR/resolve-error.rs:46:10
--> $DIR/resolve-error.rs:49:10
|
46 | #[derive(Dlone)]
49 | #[derive(Dlone)]
| ^^^^^ help: try: `Clone`
error: cannot find derive macro `Dlona` in this scope
--> $DIR/resolve-error.rs:49:10
--> $DIR/resolve-error.rs:53:10
|
49 | #[derive(Dlona)]
53 | #[derive(Dlona)]
| ^^^^^ help: try: `Clona`
error: cannot find derive macro `attr_proc_macra` in this scope
--> $DIR/resolve-error.rs:52:10
--> $DIR/resolve-error.rs:57:10
|
52 | #[derive(attr_proc_macra)]
57 | #[derive(attr_proc_macra)]
| ^^^^^^^^^^^^^^^
error: cannot find macro `FooWithLongNama!` in this scope
--> $DIR/resolve-error.rs:56:5
--> $DIR/resolve-error.rs:62:5
|
56 | FooWithLongNama!();
62 | FooWithLongNama!();
| ^^^^^^^^^^^^^^^ help: you could try the macro: `FooWithLongNam!`
error: cannot find macro `attr_proc_macra!` in this scope
--> $DIR/resolve-error.rs:58:5
--> $DIR/resolve-error.rs:65:5
|
58 | attr_proc_macra!();
65 | attr_proc_macra!();
| ^^^^^^^^^^^^^^^ help: you could try the macro: `attr_proc_mac!`
error: cannot find macro `Dlona!` in this scope
--> $DIR/resolve-error.rs:60:5
--> $DIR/resolve-error.rs:68:5
|
60 | Dlona!();
68 | Dlona!();
| ^^^^^
error: cannot find macro `bang_proc_macrp!` in this scope
--> $DIR/resolve-error.rs:62:5
--> $DIR/resolve-error.rs:71:5
|
62 | bang_proc_macrp!();
71 | bang_proc_macrp!();
| ^^^^^^^^^^^^^^^ help: you could try the macro: `bang_proc_macro!`
error: aborting due to 10 previous errors

22
src/test/ui/anonymous-higher-ranked-lifetime.rs
View File

@ -9,17 +9,17 @@
// except according to those terms.
fn main() {
f1(|_: (), _: ()| {});
f2(|_: (), _: ()| {});
f3(|_: (), _: ()| {});
f4(|_: (), _: ()| {});
f5(|_: (), _: ()| {});
g1(|_: (), _: ()| {});
g2(|_: (), _: ()| {});
g3(|_: (), _: ()| {});
g4(|_: (), _: ()| {});
h1(|_: (), _: (), _: (), _: ()| {});
h2(|_: (), _: (), _: (), _: ()| {});
f1(|_: (), _: ()| {}); //~ ERROR type mismatch
f2(|_: (), _: ()| {}); //~ ERROR type mismatch
f3(|_: (), _: ()| {}); //~ ERROR type mismatch
f4(|_: (), _: ()| {}); //~ ERROR type mismatch
f5(|_: (), _: ()| {}); //~ ERROR type mismatch
g1(|_: (), _: ()| {}); //~ ERROR type mismatch
g2(|_: (), _: ()| {}); //~ ERROR type mismatch
g3(|_: (), _: ()| {}); //~ ERROR type mismatch
g4(|_: (), _: ()| {}); //~ ERROR type mismatch
h1(|_: (), _: (), _: (), _: ()| {}); //~ ERROR type mismatch
h2(|_: (), _: (), _: (), _: ()| {}); //~ ERROR type mismatch
}
// Basic

22
src/test/ui/anonymous-higher-ranked-lifetime.stderr
View File

@ -1,7 +1,7 @@
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:12:5
|
12 | f1(|_: (), _: ()| {});
12 | f1(|_: (), _: ()| {}); //~ ERROR type mismatch
| ^^ ----------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'r, 's> fn(&'r (), &'s ()) -> _`
@ -11,7 +11,7 @@ error[E0631]: type mismatch in closure arguments
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:13:5
|
13 | f2(|_: (), _: ()| {});
13 | f2(|_: (), _: ()| {}); //~ ERROR type mismatch
| ^^ ----------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'a, 'r> fn(&'a (), &'r ()) -> _`
@ -21,7 +21,7 @@ error[E0631]: type mismatch in closure arguments
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:14:5
|
14 | f3(|_: (), _: ()| {});
14 | f3(|_: (), _: ()| {}); //~ ERROR type mismatch
| ^^ ----------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'r> fn(&(), &'r ()) -> _`
@ -31,7 +31,7 @@ error[E0631]: type mismatch in closure arguments
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:15:5
|
15 | f4(|_: (), _: ()| {});
15 | f4(|_: (), _: ()| {}); //~ ERROR type mismatch
| ^^ ----------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'s, 'r> fn(&'s (), &'r ()) -> _`
@ -41,7 +41,7 @@ error[E0631]: type mismatch in closure arguments
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:16:5
|
16 | f5(|_: (), _: ()| {});
16 | f5(|_: (), _: ()| {}); //~ ERROR type mismatch
| ^^ ----------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'r> fn(&'r (), &'r ()) -> _`
@ -51,7 +51,7 @@ error[E0631]: type mismatch in closure arguments
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:17:5
|
17 | g1(|_: (), _: ()| {});
17 | g1(|_: (), _: ()| {}); //~ ERROR type mismatch
| ^^ ----------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'r> fn(&'r (), std::boxed::Box<for<'s> std::ops::Fn(&'s ()) + 'static>) -> _`
@ -61,7 +61,7 @@ error[E0631]: type mismatch in closure arguments
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:18:5
|
18 | g2(|_: (), _: ()| {});
18 | g2(|_: (), _: ()| {}); //~ ERROR type mismatch
| ^^ ----------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'r> fn(&'r (), for<'s> fn(&'s ())) -> _`
@ -71,7 +71,7 @@ error[E0631]: type mismatch in closure arguments
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:19:5
|
19 | g3(|_: (), _: ()| {});
19 | g3(|_: (), _: ()| {}); //~ ERROR type mismatch
| ^^ ----------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'s> fn(&'s (), std::boxed::Box<for<'r> std::ops::Fn(&'r ()) + 'static>) -> _`
@ -81,7 +81,7 @@ error[E0631]: type mismatch in closure arguments
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:20:5
|
20 | g4(|_: (), _: ()| {});
20 | g4(|_: (), _: ()| {}); //~ ERROR type mismatch
| ^^ ----------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'s> fn(&'s (), for<'r> fn(&'r ())) -> _`
@ -91,7 +91,7 @@ error[E0631]: type mismatch in closure arguments
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:21:5
|
21 | h1(|_: (), _: (), _: (), _: ()| {});
21 | h1(|_: (), _: (), _: (), _: ()| {}); //~ ERROR type mismatch
| ^^ ------------------------------- found signature of `fn((), (), (), ()) -> _`
| |
| expected signature of `for<'r, 's> fn(&'r (), std::boxed::Box<for<'t0> std::ops::Fn(&'t0 ()) + 'static>, &'s (), for<'t0, 't1> fn(&'t0 (), &'t1 ())) -> _`
@ -101,7 +101,7 @@ error[E0631]: type mismatch in closure arguments
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:22:5
|
22 | h2(|_: (), _: (), _: (), _: ()| {});
22 | h2(|_: (), _: (), _: (), _: ()| {}); //~ ERROR type mismatch
| ^^ ------------------------------- found signature of `fn((), (), (), ()) -> _`
| |
| expected signature of `for<'r, 't0> fn(&'r (), std::boxed::Box<for<'s> std::ops::Fn(&'s ()) + 'static>, &'t0 (), for<'s, 't1> fn(&'s (), &'t1 ())) -> _`

2
src/test/ui/block-result/issue-11714.rs
View File

@ -11,7 +11,7 @@
fn blah() -> i32 { //~ ERROR mismatched types
1
; //~ HELP consider removing this semicolon:
; //~ HELP consider removing this semicolon
}
fn main() { }

2
src/test/ui/block-result/issue-11714.stderr
View File

@ -5,7 +5,7 @@ error[E0308]: mismatched types
| __________________^
12 | | 1
13 | |
14 | | ; //~ HELP consider removing this semicolon:
14 | | ; //~ HELP consider removing this semicolon
| | - help: consider removing this semicolon
15 | | }
| |_^ expected i32, found ()

1
src/test/ui/block-result/issue-3563.rs
View File

@ -12,7 +12,6 @@ trait A {
fn a(&self) {
|| self.b()
//~^ ERROR no method named `b` found for type `&Self` in the current scope
//~| ERROR mismatched types
}
}
fn main() {}

2
src/test/ui/block-result/unexpected-return-on-unit.rs
View File

@ -16,7 +16,7 @@ fn foo() -> usize {
}
fn bar() {
foo()
foo() //~ ERROR mismatched types
}
fn main() {

4
src/test/ui/block-result/unexpected-return-on-unit.stderr
View File

@ -1,14 +1,14 @@
error[E0308]: mismatched types
--> $DIR/unexpected-return-on-unit.rs:19:5
|
19 | foo()
19 | foo() //~ ERROR mismatched types
| ^^^^^ expected (), found usize
|
= note: expected type `()`
found type `usize`
help: try adding a semicolon
|
19 | foo();
19 | foo(); //~ ERROR mismatched types
| ^
help: try adding a return type
|

5
src/test/ui/borrowck/borrowck-closures-two-mut.rs
View File

@ -22,6 +22,7 @@ fn a() {
let mut x = 3;
let c1 = to_fn_mut(|| x = 4);
let c2 = to_fn_mut(|| x = 5); //~ ERROR cannot borrow `x` as mutable more than once
//~| ERROR cannot borrow `x` as mutable more than once
}
fn set(x: &mut isize) {
@ -32,12 +33,14 @@ fn b() {
let mut x = 3;
let c1 = to_fn_mut(|| set(&mut x));
let c2 = to_fn_mut(|| set(&mut x)); //~ ERROR cannot borrow `x` as mutable more than once
//~| ERROR cannot borrow `x` as mutable more than once
}
fn c() {
let mut x = 3;
let c1 = to_fn_mut(|| x = 5);
let c2 = to_fn_mut(|| set(&mut x)); //~ ERROR cannot borrow `x` as mutable more than once
//~| ERROR cannot borrow `x` as mutable more than once
}
fn d() {
@ -45,6 +48,7 @@ fn d() {
let c1 = to_fn_mut(|| x = 5);
let c2 = to_fn_mut(|| { let _y = to_fn_mut(|| set(&mut x)); }); // (nested closure)
//~^ ERROR cannot borrow `x` as mutable more than once
//~| ERROR cannot borrow `x` as mutable more than once
}
fn g() {
@ -56,6 +60,7 @@ fn g() {
let c1 = to_fn_mut(|| set(&mut *x.f));
let c2 = to_fn_mut(|| set(&mut *x.f));
//~^ ERROR cannot borrow `x` as mutable more than once
//~| ERROR cannot borrow `x` as mutable more than once
}
fn main() {

82
src/test/ui/borrowck/borrowck-closures-two-mut.stderr
View File

@ -9,65 +9,68 @@ error[E0499]: cannot borrow `x` as mutable more than once at a time (Ast)
| ^^ - borrow occurs due to use of `x` in closure
| |
| second mutable borrow occurs here
25 | }
25 | //~| ERROR cannot borrow `x` as mutable more than once
26 | }
| - first borrow ends here
error[E0499]: cannot borrow `x` as mutable more than once at a time (Ast)
--> $DIR/borrowck-closures-two-mut.rs:34:24
--> $DIR/borrowck-closures-two-mut.rs:35:24
|
33 | let c1 = to_fn_mut(|| set(&mut x));
34 | let c1 = to_fn_mut(|| set(&mut x));
| -- - previous borrow occurs due to use of `x` in closure
| |
| first mutable borrow occurs here
34 | let c2 = to_fn_mut(|| set(&mut x)); //~ ERROR cannot borrow `x` as mutable more than once
35 | let c2 = to_fn_mut(|| set(&mut x)); //~ ERROR cannot borrow `x` as mutable more than once
| ^^ - borrow occurs due to use of `x` in closure
| |
| second mutable borrow occurs here
35 | }
36 | //~| ERROR cannot borrow `x` as mutable more than once
37 | }
| - first borrow ends here
error[E0499]: cannot borrow `x` as mutable more than once at a time (Ast)
--> $DIR/borrowck-closures-two-mut.rs:40:24
--> $DIR/borrowck-closures-two-mut.rs:42:24
|
39 | let c1 = to_fn_mut(|| x = 5);
41 | let c1 = to_fn_mut(|| x = 5);
| -- - previous borrow occurs due to use of `x` in closure
| |
| first mutable borrow occurs here
40 | let c2 = to_fn_mut(|| set(&mut x)); //~ ERROR cannot borrow `x` as mutable more than once
42 | let c2 = to_fn_mut(|| set(&mut x)); //~ ERROR cannot borrow `x` as mutable more than once
| ^^ - borrow occurs due to use of `x` in closure
| |
| second mutable borrow occurs here
41 | }
43 | //~| ERROR cannot borrow `x` as mutable more than once
44 | }
| - first borrow ends here
error[E0499]: cannot borrow `x` as mutable more than once at a time (Ast)
--> $DIR/borrowck-closures-two-mut.rs:46:24
--> $DIR/borrowck-closures-two-mut.rs:49:24
|
45 | let c1 = to_fn_mut(|| x = 5);
48 | let c1 = to_fn_mut(|| x = 5);
| -- - previous borrow occurs due to use of `x` in closure
| |
| first mutable borrow occurs here
46 | let c2 = to_fn_mut(|| { let _y = to_fn_mut(|| set(&mut x)); }); // (nested closure)
49 | let c2 = to_fn_mut(|| { let _y = to_fn_mut(|| set(&mut x)); }); // (nested closure)
| ^^ - borrow occurs due to use of `x` in closure
| |
| second mutable borrow occurs here
47 | //~^ ERROR cannot borrow `x` as mutable more than once
48 | }
...
52 | }
| - first borrow ends here
error[E0499]: cannot borrow `x` as mutable more than once at a time (Ast)
--> $DIR/borrowck-closures-two-mut.rs:57:24
--> $DIR/borrowck-closures-two-mut.rs:61:24
|
56 | let c1 = to_fn_mut(|| set(&mut *x.f));
60 | let c1 = to_fn_mut(|| set(&mut *x.f));
| -- - previous borrow occurs due to use of `x` in closure
| |
| first mutable borrow occurs here
57 | let c2 = to_fn_mut(|| set(&mut *x.f));
61 | let c2 = to_fn_mut(|| set(&mut *x.f));
| ^^ - borrow occurs due to use of `x` in closure
| |
| second mutable borrow occurs here
58 | //~^ ERROR cannot borrow `x` as mutable more than once
59 | }
...
64 | }
| - first borrow ends here
error[E0499]: cannot borrow `x` as mutable more than once at a time (Mir)
@ -81,65 +84,68 @@ error[E0499]: cannot borrow `x` as mutable more than once at a time (Mir)
| ^^ - borrow occurs due to use of `x` in closure
| |
| second mutable borrow occurs here
25 | }
25 | //~| ERROR cannot borrow `x` as mutable more than once
26 | }
| - first borrow ends here
error[E0499]: cannot borrow `x` as mutable more than once at a time (Mir)
--> $DIR/borrowck-closures-two-mut.rs:34:24
--> $DIR/borrowck-closures-two-mut.rs:35:24
|
33 | let c1 = to_fn_mut(|| set(&mut x));
34 | let c1 = to_fn_mut(|| set(&mut x));
| -- - previous borrow occurs due to use of `x` in closure
| |
| first mutable borrow occurs here
34 | let c2 = to_fn_mut(|| set(&mut x)); //~ ERROR cannot borrow `x` as mutable more than once
35 | let c2 = to_fn_mut(|| set(&mut x)); //~ ERROR cannot borrow `x` as mutable more than once
| ^^ - borrow occurs due to use of `x` in closure
| |
| second mutable borrow occurs here
35 | }
36 | //~| ERROR cannot borrow `x` as mutable more than once
37 | }
| - first borrow ends here
error[E0499]: cannot borrow `x` as mutable more than once at a time (Mir)
--> $DIR/borrowck-closures-two-mut.rs:40:24
--> $DIR/borrowck-closures-two-mut.rs:42:24
|
39 | let c1 = to_fn_mut(|| x = 5);
41 | let c1 = to_fn_mut(|| x = 5);
| -- - previous borrow occurs due to use of `x` in closure
| |
| first mutable borrow occurs here
40 | let c2 = to_fn_mut(|| set(&mut x)); //~ ERROR cannot borrow `x` as mutable more than once
42 | let c2 = to_fn_mut(|| set(&mut x)); //~ ERROR cannot borrow `x` as mutable more than once
| ^^ - borrow occurs due to use of `x` in closure
| |
| second mutable borrow occurs here
41 | }
43 | //~| ERROR cannot borrow `x` as mutable more than once
44 | }
| - first borrow ends here
error[E0499]: cannot borrow `x` as mutable more than once at a time (Mir)
--> $DIR/borrowck-closures-two-mut.rs:46:24
--> $DIR/borrowck-closures-two-mut.rs:49:24
|
45 | let c1 = to_fn_mut(|| x = 5);
48 | let c1 = to_fn_mut(|| x = 5);
| -- - previous borrow occurs due to use of `x` in closure
| |
| first mutable borrow occurs here
46 | let c2 = to_fn_mut(|| { let _y = to_fn_mut(|| set(&mut x)); }); // (nested closure)
49 | let c2 = to_fn_mut(|| { let _y = to_fn_mut(|| set(&mut x)); }); // (nested closure)
| ^^ - borrow occurs due to use of `x` in closure
| |
| second mutable borrow occurs here
47 | //~^ ERROR cannot borrow `x` as mutable more than once
48 | }
...
52 | }
| - first borrow ends here
error[E0499]: cannot borrow `x` as mutable more than once at a time (Mir)
--> $DIR/borrowck-closures-two-mut.rs:57:24
--> $DIR/borrowck-closures-two-mut.rs:61:24
|
56 | let c1 = to_fn_mut(|| set(&mut *x.f));
60 | let c1 = to_fn_mut(|| set(&mut *x.f));
| -- - previous borrow occurs due to use of `x` in closure
| |
| first mutable borrow occurs here
57 | let c2 = to_fn_mut(|| set(&mut *x.f));
61 | let c2 = to_fn_mut(|| set(&mut *x.f));
| ^^ - borrow occurs due to use of `x` in closure
| |
| second mutable borrow occurs here
58 | //~^ ERROR cannot borrow `x` as mutable more than once
59 | }
...
64 | }
| - first borrow ends here
error: aborting due to 10 previous errors

3
src/test/ui/borrowck/borrowck-in-static.rs
View File

@ -11,8 +11,9 @@
// check that borrowck looks inside consts/statics
static FN : &'static (Fn() -> (Box<Fn()->Box<i32>>) + Sync) = &|| {
let x = Box::new(0); //~ NOTE moved
let x = Box::new(0); //~ NOTE captured outer variable
Box::new(|| x) //~ ERROR cannot move out of captured outer variable
//~^ NOTE cannot move out of captured outer variable
};
fn main() {

2
src/test/ui/borrowck/borrowck-in-static.stderr
View File

@ -1,7 +1,7 @@
error[E0507]: cannot move out of captured outer variable in an `Fn` closure
--> $DIR/borrowck-in-static.rs:15:17
|
14 | let x = Box::new(0); //~ NOTE moved
14 | let x = Box::new(0); //~ NOTE captured outer variable
| - captured outer variable
15 | Box::new(|| x) //~ ERROR cannot move out of captured outer variable
| ^ cannot move out of captured outer variable in an `Fn` closure

3
src/test/ui/borrowck/borrowck-reinit.rs
View File

@ -15,5 +15,6 @@ fn main() {
let _u = x; // error shouldn't note this move
x = Box::new(1);
drop(x);
let _ = (1,x);
let _ = (1,x); //~ ERROR use of moved value: `x` (Ast)
//~^ ERROR use of moved value: `x` (Mir)
}

4
src/test/ui/borrowck/borrowck-reinit.stderr
View File

@ -3,7 +3,7 @@ error[E0382]: use of moved value: `x` (Ast)
|
17 | drop(x);
| - value moved here
18 | let _ = (1,x);
18 | let _ = (1,x); //~ ERROR use of moved value: `x` (Ast)
| ^ value used here after move
|
= note: move occurs because `x` has type `std::boxed::Box<i32>`, which does not implement the `Copy` trait
@ -13,7 +13,7 @@ error[E0382]: use of moved value: `x` (Mir)
|
17 | drop(x);
| - value moved here
18 | let _ = (1,x);
18 | let _ = (1,x); //~ ERROR use of moved value: `x` (Ast)
| ^ value use here after move
error: aborting due to 2 previous errors

6
src/test/ui/borrowck/mut-borrow-in-loop.rs
View File

@ -17,20 +17,20 @@ struct FuncWrapper<'a, T : 'a> {
impl<'a, T : 'a> FuncWrapper<'a, T> {
fn in_loop(self, arg : &'a mut T) {
loop {
(self.func)(arg)
(self.func)(arg) //~ ERROR cannot borrow
}
}
fn in_while(self, arg : &'a mut T) {
while true {
(self.func)(arg)
(self.func)(arg) //~ ERROR cannot borrow
}
}
fn in_for(self, arg : &'a mut T) {
let v : Vec<()> = vec![];
for _ in v.iter() {
(self.func)(arg)
(self.func)(arg) //~ ERROR cannot borrow
}
}
}

6
src/test/ui/borrowck/mut-borrow-in-loop.stderr
View File

@ -1,7 +1,7 @@
error[E0499]: cannot borrow `*arg` as mutable more than once at a time
--> $DIR/mut-borrow-in-loop.rs:20:25
|
20 | (self.func)(arg)
20 | (self.func)(arg) //~ ERROR cannot borrow
| ^^^ mutable borrow starts here in previous iteration of loop
21 | }
22 | }
@ -10,7 +10,7 @@ error[E0499]: cannot borrow `*arg` as mutable more than once at a time
error[E0499]: cannot borrow `*arg` as mutable more than once at a time
--> $DIR/mut-borrow-in-loop.rs:26:25
|
26 | (self.func)(arg)
26 | (self.func)(arg) //~ ERROR cannot borrow
| ^^^ mutable borrow starts here in previous iteration of loop
27 | }
28 | }
@ -19,7 +19,7 @@ error[E0499]: cannot borrow `*arg` as mutable more than once at a time
error[E0499]: cannot borrow `*arg` as mutable more than once at a time
--> $DIR/mut-borrow-in-loop.rs:33:25
|
33 | (self.func)(arg)
33 | (self.func)(arg) //~ ERROR cannot borrow
| ^^^ mutable borrow starts here in previous iteration of loop
34 | }
35 | }

4
src/test/ui/borrowck/mut-borrow-outside-loop.rs
View File

@ -14,13 +14,13 @@ fn main() {
let mut void = ();
let first = &mut void;
let second = &mut void;
let second = &mut void; //~ ERROR cannot borrow
loop {
let mut inner_void = ();
let inner_first = &mut inner_void;
let inner_second = &mut inner_void;
let inner_second = &mut inner_void; //~ ERROR cannot borrow
}
}

4
src/test/ui/borrowck/mut-borrow-outside-loop.stderr
View File

@ -3,7 +3,7 @@ error[E0499]: cannot borrow `void` as mutable more than once at a time
|
16 | let first = &mut void;
| ---- first mutable borrow occurs here
17 | let second = &mut void;
17 | let second = &mut void; //~ ERROR cannot borrow
| ^^^^ second mutable borrow occurs here
...
25 | }
@ -14,7 +14,7 @@ error[E0499]: cannot borrow `inner_void` as mutable more than once at a time
|
22 | let inner_first = &mut inner_void;
| ---------- first mutable borrow occurs here
23 | let inner_second = &mut inner_void;
23 | let inner_second = &mut inner_void; //~ ERROR cannot borrow
| ^^^^^^^^^^ second mutable borrow occurs here
24 | }
| - first borrow ends here

3
src/test/ui/borrowck/unboxed-closures-move-upvar-from-non-once-ref-closure.rs
View File

@ -16,9 +16,10 @@ fn call<F>(f: F) where F : Fn() {
}
fn main() {
let y = vec![format!("World")]; //~ NOTE moved
let y = vec![format!("World")]; //~ NOTE captured outer variable
call(|| {
y.into_iter();
//~^ ERROR cannot move out of captured outer variable in an `Fn` closure
//~| NOTE cannot move out of
});
}

2
src/test/ui/borrowck/unboxed-closures-move-upvar-from-non-once-ref-closure.stderr
View File

@ -1,7 +1,7 @@
error[E0507]: cannot move out of captured outer variable in an `Fn` closure
--> $DIR/unboxed-closures-move-upvar-from-non-once-ref-closure.rs:21:9
|
19 | let y = vec![format!("World")]; //~ NOTE moved
19 | let y = vec![format!("World")]; //~ NOTE captured outer variable
| - captured outer variable
20 | call(|| {
21 | y.into_iter();

4
src/test/ui/cast-to-unsized-trait-object-suggestion.rs
View File

@ -9,6 +9,6 @@
// except according to those terms.
fn main() {
&1 as Send;
Box::new(1) as Send;
&1 as Send; //~ ERROR cast to unsized
Box::new(1) as Send; //~ ERROR cast to unsized
}

4
src/test/ui/cast-to-unsized-trait-object-suggestion.stderr
View File

@ -1,7 +1,7 @@
error[E0620]: cast to unsized type: `&{integer}` as `std::marker::Send`
--> $DIR/cast-to-unsized-trait-object-suggestion.rs:12:5
|
12 | &1 as Send;
12 | &1 as Send; //~ ERROR cast to unsized
| ^^^^^^----
| |
| help: try casting to a reference instead: `&Send`
@ -9,7 +9,7 @@ error[E0620]: cast to unsized type: `&{integer}` as `std::marker::Send`
error[E0620]: cast to unsized type: `std::boxed::Box<{integer}>` as `std::marker::Send`
--> $DIR/cast-to-unsized-trait-object-suggestion.rs:13:5
|
13 | Box::new(1) as Send;
13 | Box::new(1) as Send; //~ ERROR cast to unsized
| ^^^^^^^^^^^^^^^----
| |
| help: try casting to a `Box` instead: `Box<Send>`

16
src/test/ui/check_match/issue-35609.rs
View File

@ -17,36 +17,36 @@ struct S(Enum, ());
struct Sd { x: Enum, y: () }
fn main() {
match (A, ()) {
match (A, ()) { //~ ERROR non-exhaustive
(A, _) => {}
}
match (A, A) {
match (A, A) { //~ ERROR non-exhaustive
(_, A) => {}
}
match ((A, ()), ()) {
match ((A, ()), ()) { //~ ERROR non-exhaustive
((A, ()), _) => {}
}
match ((A, ()), A) {
match ((A, ()), A) { //~ ERROR non-exhaustive
((A, ()), _) => {}
}
match ((A, ()), ()) {
match ((A, ()), ()) { //~ ERROR non-exhaustive
((A, _), _) => {}
}
match S(A, ()) {
match S(A, ()) { //~ ERROR non-exhaustive
S(A, _) => {}
}
match (Sd { x: A, y: () }) {
match (Sd { x: A, y: () }) { //~ ERROR non-exhaustive
Sd { x: A, y: _ } => {}
}
match Some(A) {
match Some(A) { //~ ERROR non-exhaustive
Some(A) => (),
None => ()
}

16
src/test/ui/check_match/issue-35609.stderr
View File

@ -1,49 +1,49 @@
error[E0004]: non-exhaustive patterns: `(B, _)`, `(C, _)`, `(D, _)` and 2 more not covered
--> $DIR/issue-35609.rs:20:11
|
20 | match (A, ()) {
20 | match (A, ()) { //~ ERROR non-exhaustive
| ^^^^^^^ patterns `(B, _)`, `(C, _)`, `(D, _)` and 2 more not covered
error[E0004]: non-exhaustive patterns: `(_, B)`, `(_, C)`, `(_, D)` and 2 more not covered
--> $DIR/issue-35609.rs:24:11
|
24 | match (A, A) {
24 | match (A, A) { //~ ERROR non-exhaustive
| ^^^^^^ patterns `(_, B)`, `(_, C)`, `(_, D)` and 2 more not covered
error[E0004]: non-exhaustive patterns: `((B, _), _)`, `((C, _), _)`, `((D, _), _)` and 2 more not covered
--> $DIR/issue-35609.rs:28:11
|
28 | match ((A, ()), ()) {
28 | match ((A, ()), ()) { //~ ERROR non-exhaustive
| ^^^^^^^^^^^^^ patterns `((B, _), _)`, `((C, _), _)`, `((D, _), _)` and 2 more not covered
error[E0004]: non-exhaustive patterns: `((B, _), _)`, `((C, _), _)`, `((D, _), _)` and 2 more not covered
--> $DIR/issue-35609.rs:32:11
|
32 | match ((A, ()), A) {
32 | match ((A, ()), A) { //~ ERROR non-exhaustive
| ^^^^^^^^^^^^ patterns `((B, _), _)`, `((C, _), _)`, `((D, _), _)` and 2 more not covered
error[E0004]: non-exhaustive patterns: `((B, _), _)`, `((C, _), _)`, `((D, _), _)` and 2 more not covered
--> $DIR/issue-35609.rs:36:11
|
36 | match ((A, ()), ()) {
36 | match ((A, ()), ()) { //~ ERROR non-exhaustive
| ^^^^^^^^^^^^^ patterns `((B, _), _)`, `((C, _), _)`, `((D, _), _)` and 2 more not covered
error[E0004]: non-exhaustive patterns: `S(B, _)`, `S(C, _)`, `S(D, _)` and 2 more not covered
--> $DIR/issue-35609.rs:41:11
|
41 | match S(A, ()) {
41 | match S(A, ()) { //~ ERROR non-exhaustive
| ^^^^^^^^ patterns `S(B, _)`, `S(C, _)`, `S(D, _)` and 2 more not covered
error[E0004]: non-exhaustive patterns: `Sd { x: B, .. }`, `Sd { x: C, .. }`, `Sd { x: D, .. }` and 2 more not covered
--> $DIR/issue-35609.rs:45:11
|
45 | match (Sd { x: A, y: () }) {
45 | match (Sd { x: A, y: () }) { //~ ERROR non-exhaustive
| ^^^^^^^^^^^^^^^^^^^^ patterns `Sd { x: B, .. }`, `Sd { x: C, .. }`, `Sd { x: D, .. }` and 2 more not covered
error[E0004]: non-exhaustive patterns: `Some(B)`, `Some(C)`, `Some(D)` and 2 more not covered
--> $DIR/issue-35609.rs:49:11
|
49 | match Some(A) {
49 | match Some(A) { //~ ERROR non-exhaustive
| ^^^^^^^ patterns `Some(B)`, `Some(C)`, `Some(D)` and 2 more not covered
error: aborting due to 8 previous errors

2
src/test/ui/closure_context/issue-26046-fn-mut.rs
View File

@ -11,7 +11,7 @@
fn foo() -> Box<Fn()> {
let num = 5;
let closure = || {
let closure = || { //~ ERROR expected a closure that
num += 1;
};

2
src/test/ui/closure_context/issue-26046-fn-mut.stderr
View File

@ -1,7 +1,7 @@
error[E0525]: expected a closure that implements the `Fn` trait, but this closure only implements `FnMut`
--> $DIR/issue-26046-fn-mut.rs:14:19
|
14 | let closure = || {
14 | let closure = || { //~ ERROR expected a closure that
| ___________________^
15 | | num += 1;
16 | | };

2
src/test/ui/closure_context/issue-26046-fn-once.rs
View File

@ -11,7 +11,7 @@
fn get_closure() -> Box<Fn() -> Vec<u8>> {
let vec = vec![1u8, 2u8];
let closure = move || {
let closure = move || { //~ ERROR expected a closure
vec
};

2
src/test/ui/closure_context/issue-26046-fn-once.stderr
View File

@ -1,7 +1,7 @@
error[E0525]: expected a closure that implements the `Fn` trait, but this closure only implements `FnOnce`
--> $DIR/issue-26046-fn-once.rs:14:19
|
14 | let closure = move || {
14 | let closure = move || { //~ ERROR expected a closure
| ___________________^
15 | | vec
16 | | };

5
src/test/ui/closure_context/issue-42065.rs
View File

@ -14,12 +14,13 @@ fn main() {
let dict: HashMap<i32, i32> = HashMap::new();
let debug_dump_dict = || {
for (key, value) in dict {
//~^ NOTE closure cannot be invoked more than once
println!("{:?} - {:?}", key, value);
}
};
debug_dump_dict();
//~^ NOTE: value moved here
debug_dump_dict();
//~^ ERROR use of moved value: `debug_dump_dict`
//~| NOTE closure cannot be invoked more than once because it moves the
//~| variable `dict` out of its environment
//~| NOTE value used here after move
}

7
src/test/ui/closure_context/issue-42065.stderr
View File

@ -1,9 +1,10 @@
error[E0382]: use of moved value: `debug_dump_dict`
--> $DIR/issue-42065.rs:21:5
--> $DIR/issue-42065.rs:23:5
|
20 | debug_dump_dict();
| --------------- value moved here
21 | debug_dump_dict();
| --------------- value moved here
22 | //~^ NOTE: value moved here
23 | debug_dump_dict();
| ^^^^^^^^^^^^^^^ value used here after move
|
note: closure cannot be invoked more than once because it moves the variable `dict` out of its environment

2
src/test/ui/codemap_tests/coherence-overlapping-inherent-impl-trait.rs
View File

@ -11,6 +11,6 @@
#![allow(dead_code)]
trait C {}
impl C { fn f() {} }
impl C { fn f() {} } //~ ERROR duplicate
impl C { fn f() {} }
fn main() { }

2
src/test/ui/codemap_tests/coherence-overlapping-inherent-impl-trait.stderr
View File

@ -1,7 +1,7 @@
error[E0592]: duplicate definitions with name `f`
--> $DIR/coherence-overlapping-inherent-impl-trait.rs:14:10
|
14 | impl C { fn f() {} }
14 | impl C { fn f() {} } //~ ERROR duplicate
| ^^^^^^^^^ duplicate definitions for `f`
15 | impl C { fn f() {} }
| --------- other definition for `f`

2
src/test/ui/codemap_tests/empty_span.rs
View File

@ -14,5 +14,5 @@ fn main() {
impl !Sync for Foo {}
unsafe impl Send for &'static Foo { }
unsafe impl Send for &'static Foo { } //~ ERROR cross-crate traits with a default impl
}

2
src/test/ui/codemap_tests/empty_span.stderr
View File

@ -1,7 +1,7 @@
error[E0321]: cross-crate traits with a default impl, like `std::marker::Send`, can only be implemented for a struct/enum type, not `&'static main::Foo`
--> $DIR/empty_span.rs:17:5
|
17 | unsafe impl Send for &'static Foo { }
17 | unsafe impl Send for &'static Foo { } //~ ERROR cross-crate traits with a default impl
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to previous error

2
src/test/ui/codemap_tests/huge_multispan_highlight.rs
View File

@ -97,5 +97,5 @@ fn main() {
let y = &mut x;
let y = &mut x; //~ ERROR cannot borrow
}

2
src/test/ui/codemap_tests/huge_multispan_highlight.stderr
View File

@ -4,7 +4,7 @@ error[E0596]: cannot borrow immutable local variable `x` as mutable
12 | let x = "foo";
| - consider changing this to `mut x`
...
100 | let y = &mut x;
100 | let y = &mut x; //~ ERROR cannot borrow
| ^ cannot borrow mutably
error: aborting due to previous error

2
src/test/ui/codemap_tests/issue-11715.rs
View File

@ -97,5 +97,5 @@
fn main() {
let mut x = "foo";
let y = &mut x;
let z = &mut x;
let z = &mut x; //~ ERROR cannot borrow
}

2
src/test/ui/codemap_tests/issue-11715.stderr
View File

@ -3,7 +3,7 @@ error[E0499]: cannot borrow `x` as mutable more than once at a time
|
99 | let y = &mut x;
| - first mutable borrow occurs here
100 | let z = &mut x;
100 | let z = &mut x; //~ ERROR cannot borrow
| ^ second mutable borrow occurs here
101 | }
| - first borrow ends here

2
src/test/ui/codemap_tests/one_line.rs
View File

@ -10,5 +10,5 @@
fn main() {
let mut v = vec![Some("foo"), Some("bar")];
v.push(v.pop().unwrap());
v.push(v.pop().unwrap()); //~ ERROR cannot borrow
}

2
src/test/ui/codemap_tests/one_line.stderr
View File

@ -1,7 +1,7 @@
error[E0499]: cannot borrow `v` as mutable more than once at a time
--> $DIR/one_line.rs:13:12
|
13 | v.push(v.pop().unwrap());
13 | v.push(v.pop().unwrap()); //~ ERROR cannot borrow
| - ^ - first borrow ends here
| | |
| | second mutable borrow occurs here

6
src/test/ui/codemap_tests/overlapping_inherent_impls.rs
View File

@ -16,7 +16,7 @@
struct Foo;
impl Foo {
fn id() {}
fn id() {} //~ ERROR duplicate definitions
}
impl Foo {
@ -26,7 +26,7 @@ impl Foo {
struct Bar<T>(T);
impl<T> Bar<T> {
fn bar(&self) {}
fn bar(&self) {} //~ ERROR duplicate definitions
}
impl Bar<u32> {
@ -36,7 +36,7 @@ impl Bar<u32> {
struct Baz<T>(T);
impl<T: Copy> Baz<T> {
fn baz(&self) {}
fn baz(&self) {} //~ ERROR duplicate definitions
}
impl<T> Baz<Vec<T>> {

6
src/test/ui/codemap_tests/overlapping_inherent_impls.stderr
View File

@ -1,7 +1,7 @@
error[E0592]: duplicate definitions with name `id`
--> $DIR/overlapping_inherent_impls.rs:19:5
|
19 | fn id() {}
19 | fn id() {} //~ ERROR duplicate definitions
| ^^^^^^^^^^ duplicate definitions for `id`
...
23 | fn id() {}
@ -10,7 +10,7 @@ error[E0592]: duplicate definitions with name `id`
error[E0592]: duplicate definitions with name `bar`
--> $DIR/overlapping_inherent_impls.rs:29:5
|
29 | fn bar(&self) {}
29 | fn bar(&self) {} //~ ERROR duplicate definitions
| ^^^^^^^^^^^^^^^^ duplicate definitions for `bar`
...
33 | fn bar(&self) {}
@ -19,7 +19,7 @@ error[E0592]: duplicate definitions with name `bar`
error[E0592]: duplicate definitions with name `baz`
--> $DIR/overlapping_inherent_impls.rs:39:5
|
39 | fn baz(&self) {}
39 | fn baz(&self) {} //~ ERROR duplicate definitions
| ^^^^^^^^^^^^^^^^ duplicate definitions for `baz`
...
43 | fn baz(&self) {}

2
src/test/ui/codemap_tests/overlapping_spans.rs
View File

@ -18,6 +18,6 @@ impl Drop for S {
fn main() {
match (S {f:"foo".to_string()}) {
S {f:_s} => {}
S {f:_s} => {} //~ ERROR cannot move out
}
}

2
src/test/ui/codemap_tests/overlapping_spans.stderr
View File

@ -1,7 +1,7 @@
error[E0509]: cannot move out of type `S`, which implements the `Drop` trait
--> $DIR/overlapping_spans.rs:21:9
|
21 | S {f:_s} => {}
21 | S {f:_s} => {} //~ ERROR cannot move out
| ^^^^^--^
| | |
| | hint: to prevent move, use `ref _s` or `ref mut _s`

4
src/test/ui/codemap_tests/tab.rs
View File

@ -11,9 +11,9 @@
// ignore-tidy-tab
fn main() {
bar;
bar; //~ ERROR cannot find value `bar`
}
fn foo() {
"bar boo"
"bar boo" //~ ERROR mismatched types
}

4
src/test/ui/codemap_tests/tab.stderr
View File

@ -1,7 +1,7 @@
error[E0425]: cannot find value `bar` in this scope
--> $DIR/tab.rs:14:2
|
14 | bar;
14 | bar; //~ ERROR cannot find value `bar`
| ^^^ not found in this scope
error[E0308]: mismatched types
@ -9,7 +9,7 @@ error[E0308]: mismatched types
|
17 | fn foo() {
| - help: try adding a return type: `-> &'static str `
18 | "bar boo"
18 | "bar boo" //~ ERROR mismatched types
| ^^^^^^^^^^^ expected (), found reference
|
= note: expected type `()`

2
src/test/ui/codemap_tests/tab_2.rs
View File

@ -11,5 +11,5 @@
// ignore-tidy-tab
fn main() {
""";
"""; //~ ERROR unterminated double quote
}

2
src/test/ui/codemap_tests/tab_2.stderr
View File

@ -1,7 +1,7 @@
error: unterminated double quote string
--> $DIR/tab_2.rs:14:7
|
14 | """;
14 | """; //~ ERROR unterminated double quote
| _______^
15 | | }
| |__^

2
src/test/ui/codemap_tests/tab_3.rs
View File

@ -14,6 +14,6 @@ fn main() {
let some_vec = vec!["hi"];
some_vec.into_iter();
{
println!("{:?}", some_vec);
println!("{:?}", some_vec); //~ ERROR use of moved
}
}

2
src/test/ui/codemap_tests/tab_3.stderr
View File

@ -4,7 +4,7 @@ error[E0382]: use of moved value: `some_vec`
15 | some_vec.into_iter();
| -------- value moved here
16 | {
17 | println!("{:?}", some_vec);
17 | println!("{:?}", some_vec); //~ ERROR use of moved
| ^^^^^^^^ value used here after move
|
= note: move occurs because `some_vec` has type `std::vec::Vec<&str>`, which does not implement the `Copy` trait

2
src/test/ui/codemap_tests/two_files.rs
View File

@ -12,6 +12,6 @@ include!("two_files_data.rs");
struct Baz { }
impl Bar for Baz { }
impl Bar for Baz { } //~ ERROR expected trait, found type alias
fn main() { }

2
src/test/ui/codemap_tests/two_files.stderr
View File

@ -1,7 +1,7 @@
error[E0404]: expected trait, found type alias `Bar`
--> $DIR/two_files.rs:15:6
|
15 | impl Bar for Baz { }
15 | impl Bar for Baz { } //~ ERROR expected trait, found type alias
| ^^^ type aliases cannot be used for traits
error: cannot continue compilation due to previous error

2
src/test/ui/codemap_tests/unicode.rs
View File

@ -8,6 +8,6 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.
extern "路濫狼á́́" fn foo() {}
extern "路濫狼á́́" fn foo() {} //~ ERROR invalid ABI
fn main() { }

2
src/test/ui/codemap_tests/unicode.stderr
View File

@ -1,7 +1,7 @@
error: invalid ABI: expected one of [cdecl, stdcall, fastcall, vectorcall, thiscall, aapcs, win64, sysv64, ptx-kernel, msp430-interrupt, x86-interrupt, Rust, C, system, rust-intrinsic, rust-call, platform-intrinsic, unadjusted], found `路濫狼á́́`
--> $DIR/unicode.rs:11:8
|
11 | extern "路濫狼á́́" fn foo() {}
11 | extern "路濫狼á́́" fn foo() {} //~ ERROR invalid ABI
| ^^^^^^^^^
error: aborting due to previous error

6
src/test/ui/codemap_tests/unicode_2.rs
View File

@ -11,7 +11,7 @@
#![feature(non_ascii_idents)]
fn main() {
let _ = ("a̐éö̲", 0u7);
let _ = ("아あ", 1i42);
let _ = a̐é;
let _ = ("a̐éö̲", 0u7); //~ ERROR invalid width
let _ = ("아あ", 1i42); //~ ERROR invalid width
let _ = a̐é; //~ ERROR cannot find
}

6
src/test/ui/codemap_tests/unicode_2.stderr
View File

@ -1,7 +1,7 @@
error: invalid width `7` for integer literal
--> $DIR/unicode_2.rs:14:25
|
14 | let _ = ("a̐éö̲", 0u7);
14 | let _ = ("a̐éö̲", 0u7); //~ ERROR invalid width
| ^^^
|
= help: valid widths are 8, 16, 32, 64 and 128
@ -9,7 +9,7 @@ error: invalid width `7` for integer literal
error: invalid width `42` for integer literal
--> $DIR/unicode_2.rs:15:20
|
15 | let _ = ("아あ", 1i42);
15 | let _ = ("아あ", 1i42); //~ ERROR invalid width
| ^^^^
|
= help: valid widths are 8, 16, 32, 64 and 128
@ -17,7 +17,7 @@ error: invalid width `42` for integer literal
error[E0425]: cannot find value `a̐é` in this scope
--> $DIR/unicode_2.rs:16:13
|
16 | let _ = a̐é;
16 | let _ = a̐é; //~ ERROR cannot find
| ^^ not found in this scope
error: aborting due to 3 previous errors

4
src/test/ui/coercion-missing-tail-expected-type.rs
View File

@ -10,11 +10,11 @@
// #41425 -- error message "mismatched types" has wrong types
fn plus_one(x: i32) -> i32 {
fn plus_one(x: i32) -> i32 { //~ ERROR mismatched types
x + 1;
}
fn foo() -> Result<u8, u64> {
fn foo() -> Result<u8, u64> { //~ ERROR mismatched types
Ok(1);
}

4
src/test/ui/coercion-missing-tail-expected-type.stderr
View File

@ -1,7 +1,7 @@
error[E0308]: mismatched types
--> $DIR/coercion-missing-tail-expected-type.rs:13:28
|
13 | fn plus_one(x: i32) -> i32 {
13 | fn plus_one(x: i32) -> i32 { //~ ERROR mismatched types
| ____________________________^
14 | | x + 1;
| | - help: consider removing this semicolon
@ -14,7 +14,7 @@ error[E0308]: mismatched types
error[E0308]: mismatched types
--> $DIR/coercion-missing-tail-expected-type.rs:17:29
|
17 | fn foo() -> Result<u8, u64> {
17 | fn foo() -> Result<u8, u64> { //~ ERROR mismatched types
| _____________________________^
18 | | Ok(1);
| | - help: consider removing this semicolon

17
src/test/ui/command-line-diagnostics.rs Normal file
View File

@ -0,0 +1,17 @@
// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// This test checks the output format without the intermediate json representation
// compile-flags: --error-format=human
pub fn main() {
let x = 42;
x = 43;
}

10
src/test/ui/command-line-diagnostics.stderr Normal file
View File

@ -0,0 +1,10 @@
error[E0384]: cannot assign twice to immutable variable `x`
--> $DIR/command-line-diagnostics.rs:16:5
|
15 | let x = 42;
| - first assignment to `x`
16 | x = 43;
| ^^^^^^ cannot assign twice to immutable variable
error: aborting due to previous error

2
src/test/ui/compare-method/region-extra.rs
View File

@ -16,7 +16,7 @@ trait Master<'a, 'b> {
}
impl<'a, 'b> Master<'a, 'b> for () {
fn foo() where 'a: 'b { }
fn foo() where 'a: 'b { } //~ ERROR impl has stricter
}
fn main() {

2
src/test/ui/compare-method/region-extra.stderr
View File

@ -4,7 +4,7 @@ error[E0276]: impl has stricter requirements than trait
15 | fn foo();
| --------- definition of `foo` from trait
...
19 | fn foo() where 'a: 'b { }
19 | fn foo() where 'a: 'b { } //~ ERROR impl has stricter
| ^^^^^^^^^^^^^^^^^^^^^^^^^ impl has extra requirement `'a: 'b`
error: aborting due to previous error

2
src/test/ui/compare-method/region-unrelated.rs
View File

@ -17,7 +17,7 @@ trait Master<'a, T: ?Sized, U> {
// `U: 'a` does not imply `V: 'a`
impl<'a, U, V> Master<'a, U, V> for () {
fn foo() where V: 'a { }
//~^ ERROR parameter type `V` may not live long enough
//~^ ERROR impl has stricter requirements than trait
}
fn main() {

6
src/test/ui/const-eval/issue-43197.rs
View File

@ -15,7 +15,9 @@ const fn foo(x: u32) -> u32 {
}
fn main() {
const X: u32 = 0-1;
const Y: u32 = foo(0-1);
const X: u32 = 0-1; //~ ERROR constant evaluation error
//~^ WARN constant evaluation error
const Y: u32 = foo(0-1); //~ ERROR constant evaluation error
//~^ WARN constant evaluation error
println!("{} {}", X, Y);
}

12
src/test/ui/const-eval/issue-43197.stderr
View File

@ -1,27 +1,27 @@
warning: constant evaluation error: attempt to subtract with overflow
--> $DIR/issue-43197.rs:18:20
|
18 | const X: u32 = 0-1;
18 | const X: u32 = 0-1; //~ ERROR constant evaluation error
| ^^^
|
= note: #[warn(const_err)] on by default
warning: constant evaluation error: attempt to subtract with overflow
--> $DIR/issue-43197.rs:19:20
--> $DIR/issue-43197.rs:20:20
|
19 | const Y: u32 = foo(0-1);
20 | const Y: u32 = foo(0-1); //~ ERROR constant evaluation error
| ^^^^^^^^
error[E0080]: constant evaluation error
--> $DIR/issue-43197.rs:18:20
|
18 | const X: u32 = 0-1;
18 | const X: u32 = 0-1; //~ ERROR constant evaluation error
| ^^^ attempt to subtract with overflow
error[E0080]: constant evaluation error
--> $DIR/issue-43197.rs:19:24
--> $DIR/issue-43197.rs:20:24
|
19 | const Y: u32 = foo(0-1);
20 | const Y: u32 = foo(0-1); //~ ERROR constant evaluation error
| ^^^ attempt to subtract with overflow
error: aborting due to 2 previous errors

4
src/test/ui/const-expr-addr-operator.rs
View File

@ -12,9 +12,9 @@
pub fn main() {
// Constant of generic type (int)
const X: &'static u32 = &22;
const X: &'static u32 = &22; //~ ERROR constant evaluation error
assert_eq!(0, match &22 {
X => 0,
_ => 1,
});
}
}

2
src/test/ui/const-expr-addr-operator.stderr
View File

@ -1,7 +1,7 @@
error[E0080]: constant evaluation error
--> $DIR/const-expr-addr-operator.rs:15:29
|
15 | const X: &'static u32 = &22;
15 | const X: &'static u32 = &22; //~ ERROR constant evaluation error
| ^^^ unimplemented constant expression: address operator
|
note: for pattern here

4
src/test/ui/cross-crate-macro-backtrace/main.rs
View File

@ -8,10 +8,12 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// error-pattern: in format string
// aux-build:extern_macro_crate.rs
#[macro_use(myprintln, myprint)]
extern crate extern_macro_crate;
fn main() {
myprintln!("{}"); //~ ERROR in this macro
myprintln!("{}");
}

4
src/test/ui/cross-crate-macro-backtrace/main.stderr
View File

@ -1,7 +1,7 @@
error: 1 positional argument in format string, but no arguments were given
--> $DIR/main.rs:16:5
--> $DIR/main.rs:18:5
|
16 | myprintln!("{}"); //~ ERROR in this macro
18 | myprintln!("{}");
| ^^^^^^^^^^^^^^^^^
|
= note: this error originates in a macro outside of the current crate (run with -Z external-macro-backtrace for more info)

10
src/test/ui/deref-suggestion.rs
View File

@ -9,26 +9,26 @@
// except according to those terms.
macro_rules! borrow {
($x:expr) => { &$x }
($x:expr) => { &$x } //~ ERROR mismatched types
}
fn foo(_: String) {}
fn foo2(s: &String) {
foo(s);
foo(s); //~ ERROR mismatched types
}
fn foo3(_: u32) {}
fn foo4(u: &u32) {
foo3(u);
foo3(u); //~ ERROR mismatched types
}
fn main() {
let s = String::new();
let r_s = &s;
foo2(r_s);
foo(&"aaa".to_owned());
foo(&mut "aaa".to_owned());
foo(&"aaa".to_owned()); //~ ERROR mismatched types
foo(&mut "aaa".to_owned()); //~ ERROR mismatched types
foo3(borrow!(0));
foo4(&0);
}

10
src/test/ui/deref-suggestion.stderr
View File

@ -1,7 +1,7 @@
error[E0308]: mismatched types
--> $DIR/deref-suggestion.rs:18:9
|
18 | foo(s);
18 | foo(s); //~ ERROR mismatched types
| ^ expected struct `std::string::String`, found reference
|
= note: expected type `std::string::String`
@ -16,7 +16,7 @@ error[E0308]: mismatched types
error[E0308]: mismatched types
--> $DIR/deref-suggestion.rs:23:10
|
23 | foo3(u);
23 | foo3(u); //~ ERROR mismatched types
| ^ expected u32, found &u32
|
= note: expected type `u32`
@ -26,7 +26,7 @@ error[E0308]: mismatched types
error[E0308]: mismatched types
--> $DIR/deref-suggestion.rs:30:9
|
30 | foo(&"aaa".to_owned());
30 | foo(&"aaa".to_owned()); //~ ERROR mismatched types
| ^^^^^^^^^^^^^^^^^ expected struct `std::string::String`, found reference
|
= note: expected type `std::string::String`
@ -36,7 +36,7 @@ error[E0308]: mismatched types
error[E0308]: mismatched types
--> $DIR/deref-suggestion.rs:31:9
|
31 | foo(&mut "aaa".to_owned());
31 | foo(&mut "aaa".to_owned()); //~ ERROR mismatched types
| ^^^^^^^^^^^^^^^^^^^^^ expected struct `std::string::String`, found mutable reference
|
= note: expected type `std::string::String`
@ -46,7 +46,7 @@ error[E0308]: mismatched types
error[E0308]: mismatched types
--> $DIR/deref-suggestion.rs:12:20
|
12 | ($x:expr) => { &$x }
12 | ($x:expr) => { &$x } //~ ERROR mismatched types
| ^^^ expected u32, found &{integer}
...
32 | foo3(borrow!(0));

8
src/test/ui/did_you_mean/E0178.rs
View File

@ -11,10 +11,10 @@
trait Foo {}
struct Bar<'a> {
w: &'a Foo + Copy,
x: &'a Foo + 'a,
y: &'a mut Foo + 'a,
z: fn() -> Foo + 'a,
w: &'a Foo + Copy, //~ ERROR expected a path
x: &'a Foo + 'a, //~ ERROR expected a path
y: &'a mut Foo + 'a, //~ ERROR expected a path
z: fn() -> Foo + 'a, //~ ERROR expected a path
}
fn main() {

8
src/test/ui/did_you_mean/E0178.stderr
View File

@ -1,25 +1,25 @@
error[E0178]: expected a path on the left-hand side of `+`, not `&'a Foo`
--> $DIR/E0178.rs:14:8
|
14 | w: &'a Foo + Copy,
14 | w: &'a Foo + Copy, //~ ERROR expected a path
| ^^^^^^^^^^^^^^ help: try adding parentheses: `&'a (Foo + Copy)`
error[E0178]: expected a path on the left-hand side of `+`, not `&'a Foo`
--> $DIR/E0178.rs:15:8
|
15 | x: &'a Foo + 'a,
15 | x: &'a Foo + 'a, //~ ERROR expected a path
| ^^^^^^^^^^^^ help: try adding parentheses: `&'a (Foo + 'a)`
error[E0178]: expected a path on the left-hand side of `+`, not `&'a mut Foo`
--> $DIR/E0178.rs:16:8
|
16 | y: &'a mut Foo + 'a,
16 | y: &'a mut Foo + 'a, //~ ERROR expected a path
| ^^^^^^^^^^^^^^^^ help: try adding parentheses: `&'a mut (Foo + 'a)`
error[E0178]: expected a path on the left-hand side of `+`, not `fn() -> Foo`
--> $DIR/E0178.rs:17:8
|
17 | z: fn() -> Foo + 'a,
17 | z: fn() -> Foo + 'a, //~ ERROR expected a path
| ^^^^^^^^^^^^^^^^ perhaps you forgot parentheses?
error: aborting due to 4 previous errors

3
src/test/ui/did_you_mean/issue-21659-show-relevant-trait-impls-1.rs
View File

@ -33,7 +33,4 @@ fn main() {
f1.foo(1usize);
//~^ error: the trait bound `Bar: Foo<usize>` is not satisfied
//~| help: the following implementations were found:
//~| help: <Bar as Foo<i32>>
//~| help: <Bar as Foo<u8>>
}

6
src/test/ui/did_you_mean/issue-21659-show-relevant-trait-impls-2.rs
View File

@ -37,10 +37,4 @@ fn main() {
f1.foo(1usize);
//~^ error: the trait bound `Bar: Foo<usize>` is not satisfied
//~| help: the following implementations were found:
//~| help: <Bar as Foo<i8>>
//~| help: <Bar as Foo<i16>>
//~| help: <Bar as Foo<i32>>
//~| help: <Bar as Foo<u8>>
//~| help: and 2 others
}

4
src/test/ui/did_you_mean/issue-31424.rs
View File

@ -14,13 +14,13 @@ struct Struct;
impl Struct {
fn foo(&mut self) {
(&mut self).bar();
(&mut self).bar(); //~ ERROR cannot borrow
}
// In this case we could keep the suggestion, but to distinguish the
// two cases is pretty hard. It's an obscure case anyway.
fn bar(self: &mut Self) {
(&mut self).bar();
(&mut self).bar(); //~ ERROR cannot borrow
}
}

4
src/test/ui/did_you_mean/issue-31424.stderr
View File

@ -1,7 +1,7 @@
error[E0596]: cannot borrow immutable argument `self` as mutable
--> $DIR/issue-31424.rs:17:15
|
17 | (&mut self).bar();
17 | (&mut self).bar(); //~ ERROR cannot borrow
| ^^^^
| |
| cannot reborrow mutably
@ -12,7 +12,7 @@ error[E0596]: cannot borrow immutable argument `self` as mutable
|
22 | fn bar(self: &mut Self) {
| --------------- consider changing this to `mut self: &mut Self`
23 | (&mut self).bar();
23 | (&mut self).bar(); //~ ERROR cannot borrow
| ^^^^ cannot borrow mutably
error: aborting due to 2 previous errors

2
src/test/ui/did_you_mean/issue-34126.rs
View File

@ -13,7 +13,7 @@ struct Z { }
impl Z {
fn run(&self, z: &mut Z) { }
fn start(&mut self) {
self.run(&mut self);
self.run(&mut self); //~ ERROR cannot borrow
}
}

2
src/test/ui/did_you_mean/issue-34126.stderr
View File

@ -1,7 +1,7 @@
error[E0596]: cannot borrow immutable argument `self` as mutable
--> $DIR/issue-34126.rs:16:23
|
16 | self.run(&mut self);
16 | self.run(&mut self); //~ ERROR cannot borrow
| ^^^^
| |
| cannot reborrow mutably

2
src/test/ui/did_you_mean/issue-34337.rs
View File

@ -13,5 +13,5 @@ fn get(key: &mut String) { }
fn main() {
let mut v: Vec<String> = Vec::new();
let ref mut key = v[0];
get(&mut key);
get(&mut key); //~ ERROR cannot borrow
}

2
src/test/ui/did_you_mean/issue-34337.stderr
View File

@ -1,7 +1,7 @@
error[E0596]: cannot borrow immutable local variable `key` as mutable
--> $DIR/issue-34337.rs:16:14
|
16 | get(&mut key);
16 | get(&mut key); //~ ERROR cannot borrow
| ^^^
| |
| cannot reborrow mutably

6
src/test/ui/did_you_mean/issue-35937.rs
View File

@ -14,7 +14,7 @@ struct Foo {
fn main() {
let f = Foo { v: Vec::new() };
f.v.push("cat".to_string());
f.v.push("cat".to_string()); //~ ERROR cannot borrow
}
@ -23,9 +23,9 @@ struct S {
}
fn foo() {
let s = S { x: 42 };
s.x += 1;
s.x += 1; //~ ERROR cannot assign
}
fn bar(s: S) {
s.x += 1;
s.x += 1; //~ ERROR cannot assign
}

6
src/test/ui/did_you_mean/issue-35937.stderr
View File

@ -3,7 +3,7 @@ error[E0596]: cannot borrow immutable field `f.v` as mutable
|
16 | let f = Foo { v: Vec::new() };
| - consider changing this to `mut f`
17 | f.v.push("cat".to_string());
17 | f.v.push("cat".to_string()); //~ ERROR cannot borrow
| ^^^ cannot mutably borrow immutable field
error[E0594]: cannot assign to immutable field `s.x`
@ -11,7 +11,7 @@ error[E0594]: cannot assign to immutable field `s.x`
|
25 | let s = S { x: 42 };
| - consider changing this to `mut s`
26 | s.x += 1;
26 | s.x += 1; //~ ERROR cannot assign
| ^^^^^^^^ cannot mutably borrow immutable field
error[E0594]: cannot assign to immutable field `s.x`
@ -19,7 +19,7 @@ error[E0594]: cannot assign to immutable field `s.x`
|
29 | fn bar(s: S) {
| - consider changing this to `mut s`
30 | s.x += 1;
30 | s.x += 1; //~ ERROR cannot assign
| ^^^^^^^^ cannot mutably borrow immutable field
error: aborting due to 3 previous errors

2
src/test/ui/did_you_mean/issue-36798.rs
View File

@ -14,5 +14,5 @@ struct Foo {
fn main() {
let f = Foo { bar: 22 };
f.baz;
f.baz; //~ ERROR no field
}

2
src/test/ui/did_you_mean/issue-36798.stderr
View File

@ -1,7 +1,7 @@
error[E0609]: no field `baz` on type `Foo`
--> $DIR/issue-36798.rs:17:7
|
17 | f.baz;
17 | f.baz; //~ ERROR no field
| ^^^ did you mean `bar`?
error: aborting due to previous error

2
src/test/ui/did_you_mean/issue-36798_unknown_field.rs
View File

@ -14,5 +14,5 @@ struct Foo {
fn main() {
let f = Foo { bar: 22 };
f.zz;
f.zz; //~ ERROR no field
}

2
src/test/ui/did_you_mean/issue-36798_unknown_field.stderr
View File

@ -1,7 +1,7 @@
error[E0609]: no field `zz` on type `Foo`
--> $DIR/issue-36798_unknown_field.rs:17:7
|
17 | f.zz;
17 | f.zz; //~ ERROR no field
| ^^ unknown field
|
= note: available fields are: `bar`

2
src/test/ui/did_you_mean/issue-37139.rs
View File

@ -19,7 +19,7 @@ fn main() {
let mut x = TestEnum::Item(10);
match x {
TestEnum::Item(ref mut x) => {
test(&mut x);
test(&mut x); //~ ERROR cannot borrow immutable
}
}
}

2
src/test/ui/did_you_mean/issue-37139.stderr
View File

@ -1,7 +1,7 @@
error[E0596]: cannot borrow immutable local variable `x` as mutable
--> $DIR/issue-37139.rs:22:23
|
22 | test(&mut x);
22 | test(&mut x); //~ ERROR cannot borrow immutable
| ^
| |
| cannot reborrow mutably

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